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turretbuddy (01/10/2016) [-] 
Actually, Didi is wrong
www.newscientist.com/article/dn13596-male-monkeys-prefer-boys-toys/
www.sciencedirect.com/science/article/pii/S0018506X08000949
You can also google "monkeys choose kids toys for more".
www.newscientist.com/article/dn13596-male-monkeys-prefer-boys-toys/
www.sciencedirect.com/science/article/pii/S0018506X08000949
You can also google "monkeys choose kids toys for more".
